<template>
  <view class="serach">
    <view class="content" :style="{'border-radius':radius+'px'}">
      <!-- HM修改 增加进入输入状态的点击范围 -->
      <view class="content-box" :class="{'center':mode === 2}">
        <uiIcon name="ui-icon-search" class="icon" size="32"></uiIcon>
        <!-- HM修改 增加placeholder input confirm-type confirm-->
        <input
          :placeholder="placeholder"
          @input="inputChange"
          confirm-type="search"
          @confirm="triggerConfirm"
          class="input"
          :class="{'center':!active && mode === 2}"
          :focus="isFocus"
          v-model="inputVal"
          @focus="focus"
          @blur="blur"
        />
        <!-- <view v-if="!active && mode === 2" class="input sub" @click="getFocus">请输入搜索内容</view> -->
        <!-- HM修改 @click换成@click.stop阻止冒泡 -->
        <uiIcon name="ui-icon-close" class="icon icon-del" v-if="isDelShow" @click.stop="clear"></uiIcon>
      </view>
      <view
        v-show="(active&&show&&button === 'inside')||(isDelShow && button === 'inside')"
        class="serachBtn"
        @click="search"
      >搜索</view>
    </view>
    <view
      v-if="button === 'outside'"
      class="button"
      :class="{'active':show||active}"
      @click="search"
    >
      <view class="button-item">{{!show?searchName:'搜索'}}</view>
    </view>
  </view>
</template>

<script>
import uiIcon from "@/components/base/icon/index.vue";
export default {
  components: { uiIcon },
  props: {
    mode: {
      value: Number,
      default: 1
    },
    //HM修改 定义默认搜索关键词(水印文字)
    placeholder: {
      value: String,
      default: "请输入搜索内容"
    },
    value: {
      type: String,
      default: false
    },
    button: {
      value: String,
      default: "outside"
    },
    show: {
      value: Boolean,
      default: true
    },
    radius: {
      value: String,
      default: 60
    }
  },
  data() {
    return {
      active: false,
      inputVal: "",
      searchName: "取消",
      isDelShow: false,
      isFocus: true
    };
  },
  methods: {
    //HM修改 触发组件confirm事件
    triggerConfirm() {
      this.$emit("confirm", false);
    },
    //HM修改 触发组件input事件
    inputChange(event) {
      var keyword = event.detail.value;
      this.$emit("input", keyword);
      if (this.inputVal) {
        this.isDelShow = true;
      }
    },
    focus() {
      this.active = true;
      //HM修改 增加获取焦点判断
      if (this.inputVal) {
        this.isDelShow = true;
      }
    },
    blur() {
      console.log("blur");
      this.isFocus = false;
      if (!this.inputVal) {
        this.active = false;
      }
    },
    clear() {
      //HM修改 收起键盘
      uni.hideKeyboard();
      this.isFocus = false;
      this.inputVal = "";
      this.active = false;
      //HM修改 清空内容时候触发组件input
      this.$emit("input", "");
      //this.$emit('search', '');//HM修改 清空内容时候不进行搜索
    },
    getFocus() {
      if (!this.isFocus) {
        this.isFocus = true;
      }
    },
    search() {
      //HM修改 增加点击取消时候退出输入状态，内容为空时，输入默认关键字
      if (!this.inputVal) {
        if (!this.show && this.searchName == "取消") {
          uni.hideKeyboard();
          this.isFocus = false;
          this.active = false;
          return;
        }
      }
      console.log(this.inputVal);
      this.$emit("search", this.inputVal ? this.inputVal : this.placeholder);
    }
  },
  watch: {
    inputVal(newVal) {
      if (newVal) {
        this.searchName = "搜索";
        //this.isDelShow = true; //HM修改 直接点击页面预设关键字样式异常，注销
      } else {
        this.searchName = "取消";
        this.isDelShow = false;
      }
    },
    //HM修改 双向绑定
    value(val) {
      this.inputVal = val;
    }
  }
};
</script>

<style lang="scss">
.serach {
  display: flex;
  width: 100%;
  //border-bottom: 1px #f5f5f5 solid; //HM修改 去掉边框
  box-sizing: border-box;
  font-size: $font-size-base;
  .content {
    display: flex;
    align-items: center;
    width: 100%;
    height: 60upx;
    //border: 1px #ccc solid; //HM修改 去掉边框
    background: #fff;
    overflow: hidden;
    transition: all 0.2s linear;
    border-radius: 30px;

    .content-box {
      width: 100%;
      display: flex;
      align-items: center;
      &.center {
        justify-content: center;
      }
      .icon {
        padding: 0 15upx;
        &.icon-del {
          font-size: 38upx;
          &:before {
            content: "\e644";
          }
        }
        &.icon-serach:before {
          content: "\e61c";
        }
      }
      .input {
        width: 100%;
        max-width: 100%;
        line-height: 60upx;
        height: 60upx;
        transition: all 0.2s linear;
        &.center {
          width: 200upx;
        }
        &.sub {
          // position: absolute;
          width: auto;
          color: grey;
        }
      }
    }
    .serachBtn {
      height: 100%;
      flex-shrink: 0;
      padding: 0 30upx;
      //HM修改 按钮背景色
      background: linear-gradient(to right, #ff9801, #ff570a);
      //background: $uni-color-success;
      line-height: 60upx;
      color: #fff;
      //border-left: 1px #ccc solid; //HM修改 去掉边框
      transition: all 0.3s;
    }
  }

  .button {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    width: 0;
    transition: all 0.2s linear;
    white-space: nowrap;
    overflow: hidden;
    &.active {
      padding-left: 15upx;
      width: 100upx;
    }
  }
}

.icon {
  font-family: iconfont;
  font-size: 32upx;
  font-style: normal;
  color: #999;
}
</style>
